/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.model;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * The list parameter.
 * 
 * @author Qiu Kuining
 */
@SuppressWarnings("serial")
public class ListParameter extends ArrayList<Parameter> implements
		UntypedParameter, List<Parameter> {

	/**
	 * Get the NodeType of ListParameter.
	 * 
	 * @return
	 */
	@Override
	public final NodeType getNodeType() {
		return NodeType.LIST;
	}

	/**
	 * Add a child node.
	 * 
	 * @param node
	 */
	@Override
	public void addChild(Node node) {
		if (node instanceof Parameter) {
			add((Parameter) node);
		}
	}

	/**
	 * To string.
	 * 
	 * @return
	 */
	@Override
	public java.lang.String toString() {
		java.lang.StringBuilder b = new java.lang.StringBuilder();
		b.append("(");
		Iterator<Parameter> i = iterator();
		if (i.hasNext()) {
			b.append(i.next());
		}
		while (i.hasNext()) {
			b.append(",").append(i.next());
		}
		b.append(")");
		return b.toString();
	}
}
